lean4-htt/tests/lean/run/unfoldMany.lean
Leonardo de Moura 2a67a49f31
chore: simp_arith has been deprecated (#7043)
This PR deprecates the tactics `simp_arith`, `simp_arith!`,
`simp_all_arith` and `simp_all_arith!`. Users can just use the `+arith`
option.
2025-02-12 03:55:45 +00:00

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def f (x : Nat) := x + 1
def g (x : Nat) := f x + f x
example : g x > 0 := by
unfold g f
simp +arith